Home / 149,512,996.38-206,327,976.12-82,531,995.24

Finding the Fourth Proportional to 149,512,996.38, 206,327,976.12 and 82,531,995.24

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Solution

The fourth proportional to 149,512,996.38, 206,327,976.12 and 82,531,995.24 is: 113,894,176.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,512,996.38 : 206,327,976.12 = 82,531,995.24 : x
  2. Step 2: Convert to fraction form
    149,512,996.38/206,327,976.12 = 82,531,995.24/x
  3. Step 3: Cross multiply
    149,512,996.38x = 206,327,976.12 × 82,531,995.24
  4. Step 4: Simplify right side
    149,512,996.38x = 17,028,659,543,014,672
  5. Step 5: Solve for x
    x = 17,028,659,543,014,672/149,512,996.38
  6. Step 6: Final answer
    x = 113,894,176.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.